Dustproof mechanism of numerical control cam grinding machine

By designing a dust-proof mechanism for the CNC cam grinder, using a motor to drive a chain and gear transmission system to move the dust cover, and using an air pump to collect dust, the problem of reduced precision caused by dust adhesion on the grinder surface is solved, achieving efficient cleaning and precise grinding.

CN223395060UActive Publication Date: 2025-09-30SHENYANG DERWENT POWER MASCH MFG CO LTD
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Patent Information

Application Number
CN202422615618.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-09-30
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

When the existing camshaft grinder is in use, due to the large amount of dust in the factory or workshop, it is easy to adhere to the grinder or the camshaft surface, resulting in a decrease in the grinding accuracy of the grinder.

Method used

A dust-proof mechanism for a CNC cam grinder was designed, which included a dust cover, a moving assembly, a transmission assembly, and a cleaning assembly. The dust cover was moved by a motor-driven chain and a gear transmission system, and dust was collected by an air pump and a collection pipe system.

Benefits of technology

It effectively prevents dust from adhering and improves the grinding accuracy and cleaning efficiency of the grinder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223395060U_ABST
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Abstract

A dustproof mechanism of a numerical control cam grinding machine comprises a bottom plate and a dustproof cover, the dustproof cover is movably arranged on the bottom plate, a sleeve is arranged on the bottom plate, a moving rod is movably arranged in the sleeve, a supporting frame is arranged on the bottom plate, a moving assembly is arranged on the dustproof cover, and a cleaning assembly is arranged on the moving assembly. A transmission assembly is arranged on the supporting frame. The dustproof mechanism of the numerical control cam grinding machine has the advantages that the first motor drives the second gear to rotate, the chain wheel rotates along with the rotating shaft to enable the dustproof cover to make contact with the bottom plate, the second motor is started, and the collecting box moves along with the sliding block to drive the collecting head to move in the dustproof cover. The air pump is started, the air pump enables dust and other impurities to enter the collecting pipe through the collecting head and then enter the collecting box to be collected, and the problem that in the background technology, the grinding precision of a grinding machine is reduced due to the fact that dust in a factory or a workshop is large and prone to adhering to the surface of the grinding machine or the camshaft is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a dust-proof mechanism for a numerically controlled cam grinder. Background Art

[0002] The camshaft grinder can complete the semi-automatic cycle of grinding all cams and the outer edge of the eccentric wheel on the entire camshaft. The grinding wheel cutting, workbench movement and template indexing can all be carried out automatically, so the production efficiency is high and it is suitable for units that mass-produce automobiles, diesel engines, etc.

[0003] When using existing camshaft grinders, due to the large amount of dust in the factory or workshop, it is easy to adhere to the grinder or camshaft surface, resulting in a decrease in the grinding accuracy of the grinder. In view of this, this case came into being. Utility Model Content

[0004] In order to solve the above problems existing in the prior art, the purpose of the present utility model is to provide a dust-proof mechanism for a CNC cam grinder.

[0005] The technical solution adopted by this utility model is:

[0006] A dustproof mechanism for a CNC cam grinder comprises a base plate and a dust cover, the dust cover being movably mounted on the base plate, a sleeve being provided on the base plate, a movable rod being movably mounted in the sleeve, a support frame being provided on the base plate, a movable assembly being provided on the dust cover, a cleaning assembly being provided on the movable assembly, a transmission assembly being provided on the support frame, the transmission assembly comprising a guide rod and a movable frame, the guide rod being mounted on the support frame, the movable frame being movably mounted on the guide rod, the movable frame being connected to the dust cover, and a drive assembly being provided on the support frame.

[0007] As a preferred embodiment of the present invention, a pair of guide rods are provided.

[0008] As a preferred embodiment of the present invention, the driving assembly includes a fixed frame, a rotating shaft and a slide slot, the rotating shaft is movably mounted on the support frame, a sprocket is provided on the rotating shaft, a first gear is provided at one end of the rotating shaft, the slide slot is provided in the support frame, a counterweight block is movably provided in the slide slot, the fixed frame is mounted on the support frame, a first motor is provided on the fixed frame, a second gear is provided at the driving end of the first motor, a toothed belt is provided on the first gear and the second gear, a chain is movably provided on the sprocket, one end of the chain is mounted on the mobile frame and the other end of the chain is connected to the counterweight block.

[0009] As a preferred embodiment of the present invention, the sprockets are provided in a pair, and the chains are provided in a pair.

[0010] As a preferred embodiment of the present invention, the moving assembly includes a connecting frame and a screw rod, the connecting frame is installed on the dust cover, the screw rod is movably provided on the connecting frame, a slide rail is provided on the connecting frame, a slider is movably provided on the screw rod and the slider is connected to the slide rail, a first pulley is provided at one end of the screw rod, a second motor is provided on the connecting frame, a second pulley is provided at the driving end of the second motor, and a transmission belt is provided on the first pulley and the second pulley.

[0011] As a preferred embodiment of the present invention, the connecting frame is provided with reinforcing ribs.

[0012] As a preferred embodiment of the present invention, the cleaning assembly includes a collecting box, the collecting box is arranged on the sliding block, the collecting box is provided with an air pump, the air pump is provided with a collecting pipe, and the collecting pipe is provided with a collecting head.

[0013] As a preferred embodiment of the present invention, the dust cover is provided with a sliding groove adapted to the collection pipe.

[0014] The beneficial effects of the present invention are as follows: as a dust-proof mechanism for a CNC cam grinder, the present invention drives the second gear to rotate, the toothed belt drives the first gear to rotate under the action of the second gear, the rotating shaft rotates on the support frame following the first gear, the sprocket rotates following the rotating shaft to make the dust cover contact with the bottom plate, the second motor is started, the collection box follows the movement of the slider to drive the collection head to move in the dust cover, the air pump is started, and the air pump drives dust and other impurities into the collection pipe through the collection head and then into the collection box for collection, which solves the problem in the background technology that the amount of dust in the factory or workshop is large and easy to adhere to the surface of the grinder or camshaft, resulting in reduced grinding accuracy of the grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the main structure of a dust-proof mechanism of a CNC cam grinder according to the present invention.

[0017] Figure 2 The utility model is a side view structural diagram of a dust-proof mechanism of a CNC cam grinder.

[0018] Figure 3 The utility model is a three-dimensional structural schematic diagram of a support frame of a dust-proof mechanism of a CNC cam grinder.

[0019] In the figure: 1, base plate, 2, dust cover, 3, support frame, 4, rotating shaft, 5, sprocket, 6, first gear, 7, guide rod, 8, movable frame, 9, slide, 10, counterweight, 11, fixed frame, 12, first motor, 13, second gear, 14, toothed belt, 15, chain, 16, connecting frame, 17, slide rail, 18, slider, 19, screw rod, 20, first pulley, 21, second motor, 22, second pulley, 23, transmission belt, 24, collection box, 25, air pump, 26, collection pipe, 27, collection head, 28, sleeve, 29, movable rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention. That is, the embodiments described herein are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein can be arranged and designed in a variety of different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.

[0022] The following combination Figure 1-3 The specific implementation mode of the present utility model is described as follows: a dustproof mechanism of a CNC cam grinder comprises a base plate 1 and a dust cover 2, the dust cover 2 being movably mounted on the base plate 1, a sleeve 28 being provided on the base plate 1, a movable rod 29 being movably mounted in the sleeve 28, a support frame 3 being provided on the base plate 1, a movable assembly being provided on the dust cover 2, a cleaning assembly being provided on the movable assembly, a transmission assembly being provided on the support frame 3, the transmission assembly comprising a guide rod 7 and a movable frame 8, the guide rod 7 being mounted on the support frame 3, the movable frame 8 being movably mounted on the guide rod 7, the movable frame 8 being connected to the dust cover 2, a driving assembly being provided on the support frame 3, one end of the movable rod 29 being connected to the dust cover 2, and the movable frame 8 being movable on the guide rod 7.

[0023] Advantageously, a pair of guide rods 7 are provided, and the pair of guide rods 7 are symmetrically arranged on the support frame 3, so that the movable frame 8 can be more stable when moving on the pair of guide rods 7 without deviation.

[0024] Advantageously, the drive assembly includes a fixed frame 11, a rotating shaft 4 and a slide 9, the rotating shaft 4 is movably mounted on the support frame 3, a sprocket 5 is provided on the rotating shaft 4, a first gear 6 is provided at one end of the rotating shaft 4, the slide 9 is provided in the support frame 3, a counterweight 10 is movably provided in the slide 9, the fixed frame 11 is mounted on the support frame 3, a first motor 12 is provided on the fixed frame 11, a second gear 13 is provided at the driving end of the first motor 12, a toothed belt 14 is provided on the first gear 6 and the second gear 13, a chain 15 is movably provided on the sprocket 5, and one end of the chain 15 is mounted On the movable frame 8 and the other end of the chain 15 is connected to the counterweight 10, the first motor 12 drives the second gear 13 to rotate, and the toothed belt 14 drives the first gear 6 to rotate under the action of the second gear 13, and the rotating shaft 4 follows the first gear 6 to rotate on the support frame 3, and the sprocket 5 follows the rotating shaft 4 to rotate, so that the position of the chain 15 on the sprocket 5 can be adjusted to facilitate driving the movable frame 8 to move on a pair of guide rods 7. When the movable frame 8 moves, the counterweight 10 slides in the slide groove 9, and the dust cover 2 can be driven to rise and fall on the base plate 1 through the movable frame 8. The moving rod 29 follows the dust cover to move in the sleeve 28 to ensure that the dust cover 2 is stable when moving.

[0025] Advantageously, the sprockets 5 are provided in a pair, and the chains 15 are provided in a pair. The pair of chains 15 are respectively provided on a pair of sprockets 5. The pair of chains 15 can make the movable frame 8 more stable when moving.

[0026] Advantageously, the moving assembly includes a connecting frame 16 and a screw rod 19, the connecting frame 16 is mounted on the dust cover 2, the screw rod 19 is movably mounted on the connecting frame 16, a slide rail 17 is provided on the connecting frame 16, a slider 18 is movably mounted on the screw rod 19 and the slider 18 is connected to the slide rail 17, a first pulley 20 is provided at one end of the screw rod 19, a second motor 21 is provided on the connecting frame 16, a second pulley 22 is provided at the driving end of the second motor 21, a transmission belt 23 is provided on the first pulley 20 and the second pulley 22, the second motor 21 drives the second pulley 22 to rotate, the transmission belt 23 drives the first pulley 20 to rotate under the action of the second pulley 22, the screw rod 19 rotates following the first pulley 20, and the slider 18 moves on the slide rail 17 under the action of the screw rod 19.

[0027] Advantageously, the connecting frame 16 is provided with reinforcing ribs, which are arranged inside the connecting frame 16 and increase the strength of the connecting frame 16 .

[0028] Advantageously, the cleaning assembly includes a collection box 24, which is arranged on the slider 18. An air pump 25 is provided on the collection box 24, and a collection pipe 26 is provided on the air pump 25. A collection head 27 is provided on the collection pipe 26. The collection pipe 26 is provided with one end of the collection head 27 located in the dust cover 2. When collection is required, the air pump 25 is started, and the air pump 25 drives dust and other impurities through the collection head 27 into the collection pipe 26 and then into the collection box 24 for collection.

[0029] Advantageously, the dust cover 2 is provided with a chute 9 adapted to the collection pipe 26. The size of the chute 9 is adapted to the collection pipe 26, which can facilitate the slider 18 to drive the collection pipe 26 to move, thereby increasing cleaning efficiency.

[0030] Working principle of this utility model:

[0031] First, when the grinder is working, the dust cover 2 is away from the grinder. When the grinder needs to be cleaned, the grinder stops working, and the first motor 12 is driven to drive the second gear 13 to rotate. The toothed belt 14 drives the first gear 6 to rotate under the action of the second gear 13, and the rotating shaft 4 follows the first gear 6 to rotate on the support frame 3, and the sprocket 5 follows the rotating shaft 4 to rotate, and then the position of the chain 15 on the sprocket 5 can be adjusted to facilitate the movement of the mobile frame 8 on the pair of guide rods 7. When the mobile frame 8 moves, the counterweight 10 slides in the slide groove 9, and the mobile rod 29 moves in the sleeve 28 following the dust cover. The dust cover 2 is driven to contact the base plate 1 through the movable frame 8, and the second motor 21 is driven to drive the second pulley 22 to rotate. The transmission belt 23 drives the first pulley 20 to rotate under the action of the second pulley 22, and the screw rod 19 rotates following the first pulley 20. The slider 18 moves on the slide rail 17 under the action of the screw rod 19. The collecting box 24 follows the movement of the slider 18 to drive the collecting head 27 to move in the dust cover 2, and the air pump 25 is started. The air pump 25 drives dust and other impurities into the collecting pipe 26 through the collecting head 27 and then enters the collecting box 24 for collection, which is convenient for collection and dust prevention.

[0032] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0033] The above content is merely an example and explanation of the structure of the present utility model. Technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the scope of protection of the present utility model.

Claims

1. A dust-proof mechanism for a CNC cam grinder, characterized in that: The utility model comprises a base plate (1) and a dust cover (2), wherein the dust cover (2) is movably arranged on the base plate (1), a sleeve (28) is provided on the base plate (1), a movable rod (29) is movably arranged in the sleeve (28), a support frame (3) is provided on the base plate (1), a movable assembly is provided on the dust cover (2), a cleaning assembly is provided on the movable assembly, a transmission assembly is provided on the support frame (3), the transmission assembly comprises a guide rod (7) and a movable frame (8), the guide rod (7) is installed on the support frame (3), the movable frame (8) is movably installed on the guide rod (7), the movable frame (8) is connected to the dust cover (2), and a driving assembly is provided on the support frame (3).

2. The dust-proof mechanism of a CNC cam grinder according to claim 1, characterized in that: The guide rods (7) are provided in pair.

3. The dust-proof mechanism of a CNC cam grinder according to claim 1, characterized in that: The driving assembly comprises a fixed frame (11), a rotating shaft (4) and a slide groove (9), wherein the rotating shaft (4) is movably mounted on the supporting frame (3), a sprocket (5) is provided on the rotating shaft (4), a first gear (6) is provided at one end of the rotating shaft (4), the slide groove (9) is arranged in the supporting frame (3), a counterweight (10) is movably provided in the slide groove (9), the fixed frame (11) is mounted on the supporting frame (3), a first motor (12) is provided on the fixed frame (11), a second gear (13) is provided at the driving end of the first motor (12), a toothed belt (14) is provided on the first gear (6) and the second gear (13), a chain (15) is movably provided on the sprocket (5), one end of the chain (15) is mounted on the moving frame (8) and the other end of the chain (15) is connected to the counterweight (10).

4. The dust-proof mechanism of a CNC cam grinder according to claim 3, characterized in that: The sprockets (5) are provided in a pair, and the chains (15) are provided in a pair.

5. The dust-proof mechanism of a CNC cam grinder according to claim 1, characterized in that: The moving assembly comprises a connecting frame (16) and a screw rod (19), wherein the connecting frame (16) is mounted on the dust cover (2), the screw rod (19) is movably mounted on the connecting frame (16), a slide rail (17) is provided on the connecting frame (16), a slider (18) is movably mounted on the screw rod (19), and the slider (18) is connected to the slide rail (17), a first pulley (20) is provided at one end of the screw rod (19), a second motor (21) is provided on the connecting frame (16), a second pulley (22) is provided at the driving end of the second motor (21), and a transmission belt (23) is provided on the first pulley (20) and the second pulley (22).

6. The dust-proof mechanism of a CNC cam grinder according to claim 5, characterized in that: The connecting frame (16) is provided with reinforcing ribs.

7. The dust-proof mechanism of a CNC cam grinder according to claim 5, characterized in that: The cleaning assembly comprises a collection box (24), the collection box (24) is arranged on the slider (18), an air pump (25) is provided on the collection box (24), a collection pipe (26) is provided on the air pump (25), and a collection head (27) is provided on the collection pipe (26).

8. The dust-proof mechanism of a CNC cam grinder according to claim 1, characterized in that: The dust cover (2) is provided with a sliding groove (9) adapted to the collecting pipe (26).